Han Woo-joo (32 episodes, 2020)
Lee Shi-joon (32 episodes, 2020)
Gong Ji-sun (32 episodes, 2020)
In Dong-hyuk (32 episodes, 2020)
Ji Young-won (32 episodes, 2020)
Nurse Heo Min-yeong (3 episodes, 2020)
Doctor (3 episodes, 2020)
Patient with tic disorder (2 episodes, 2020)
Jeong Eun-hee (1 episode, 2020)
Ensemble member (1 episode, 2020)
Kim Young Sun (1 episode, 2020)
Subway driver (1 episode, 2020)